Answer:
–2, 1, or 3 only
Step-by-step explanation:
The x-values of the points at which the graph touches the x-axis are the points at which [tex]f(x)=0[/tex]
This is called the x-intercepts.
From the graph the x-intercepts are (-2,0),(1,0) an (3,0).
Therefore f(x)=0 at x=-2,1,3
